2492844947644 has 12 divisors (see below), whose sum is σ = 4468880577168. Its totient is φ = 1216021925600.

The previous prime is 2492844947641. The next prime is 2492844947657. The reversal of 2492844947644 is 4467494482942.

It is a self number, because there is not a number n which added to its sum of digits gives 2492844947644.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2492844947641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7600136872 + ... + 7600137199.

It is an arithmetic number, because the mean of its divisors is an integer number (372406714764).

Almost surely, 2^{2492844947644} is an apocalyptic number.

It is an amenable number.

2492844947644 is a deficient number, since it is larger than the sum of its proper divisors (1976035629524).

2492844947644 is a wasteful number, since it uses less digits than its factorization.

2492844947644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15200274116 (or 15200274114 counting only the distinct ones).

The product of its digits is 445906944, while the sum is 67.

The spelling of 2492844947644 in words is "two trillion, four hundred ninety-two billion, eight hundred forty-four million, nine hundred forty-seven thousand, six hundred forty-four".